Home / 292,047.08-402,990.65-169,511.18

Finding the Fourth Proportional to 292,047.08, 402,990.65 and 169,511.18

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Solution

The fourth proportional to 292,047.08, 402,990.65 and 169,511.18 is: 233,905.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,047.08 : 402,990.65 = 169,511.18 : x
  2. Step 2: Convert to fraction form
    292,047.08/402,990.65 = 169,511.18/x
  3. Step 3: Cross multiply
    292,047.08x = 402,990.65 × 169,511.18
  4. Step 4: Simplify right side
    292,047.08x = 68,311,419,762.91
  5. Step 5: Solve for x
    x = 68,311,419,762.91/292,047.08
  6. Step 6: Final answer
    x = 233,905.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.