Home / 161,962.48-223,428-108,264.34

Finding the Fourth Proportional to 161,962.48, 223,428 and 108,264.34

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Solution

The fourth proportional to 161,962.48, 223,428 and 108,264.34 is: 149,351.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,962.48 : 223,428 = 108,264.34 : x
  2. Step 2: Convert to fraction form
    161,962.48/223,428 = 108,264.34/x
  3. Step 3: Cross multiply
    161,962.48x = 223,428 × 108,264.34
  4. Step 4: Simplify right side
    161,962.48x = 24,189,284,957.52
  5. Step 5: Solve for x
    x = 24,189,284,957.52/161,962.48
  6. Step 6: Final answer
    x = 149,351.16

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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.