Home / 292,526.40-438,872.22-82,166.16

Finding the Fourth Proportional to 292,526.40, 438,872.22 and 82,166.16

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Solution

The fourth proportional to 292,526.40, 438,872.22 and 82,166.16 is: 123,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,526.40 : 438,872.22 = 82,166.16 : x
  2. Step 2: Convert to fraction form
    292,526.40/438,872.22 = 82,166.16/x
  3. Step 3: Cross multiply
    292,526.40x = 438,872.22 × 82,166.16
  4. Step 4: Simplify right side
    292,526.40x = 36,060,445,048.08
  5. Step 5: Solve for x
    x = 36,060,445,048.08/292,526.40
  6. Step 6: Final answer
    x = 123,272.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.