Home / 312,192.47-430,826.15-168,952.63

Finding the Fourth Proportional to 312,192.47, 430,826.15 and 168,952.63

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Solution

The fourth proportional to 312,192.47, 430,826.15 and 168,952.63 is: 233,154.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,192.47 : 430,826.15 = 168,952.63 : x
  2. Step 2: Convert to fraction form
    312,192.47/430,826.15 = 168,952.63/x
  3. Step 3: Cross multiply
    312,192.47x = 430,826.15 × 168,952.63
  4. Step 4: Simplify right side
    312,192.47x = 72,789,209,193.45
  5. Step 5: Solve for x
    x = 72,789,209,193.45/312,192.47
  6. Step 6: Final answer
    x = 233,154.91

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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.