Home / 369,747.95-554,683.25-129,799.64

Finding the Fourth Proportional to 369,747.95, 554,683.25 and 129,799.64

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Solution

The fourth proportional to 369,747.95, 554,683.25 and 129,799.64 is: 194,721.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,747.95 : 554,683.25 = 129,799.64 : x
  2. Step 2: Convert to fraction form
    369,747.95/554,683.25 = 129,799.64/x
  3. Step 3: Cross multiply
    369,747.95x = 554,683.25 × 129,799.64
  4. Step 4: Simplify right side
    369,747.95x = 71,997,687,875.24
  5. Step 5: Solve for x
    x = 71,997,687,875.24/369,747.95
  6. Step 6: Final answer
    x = 194,721.00

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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.