Home / 98,133.49-147,220.35-38,160.55

Finding the Fourth Proportional to 98,133.49, 147,220.35 and 38,160.55

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Solution

The fourth proportional to 98,133.49, 147,220.35 and 38,160.55 is: 57,248.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,133.49 : 147,220.35 = 38,160.55 : x
  2. Step 2: Convert to fraction form
    98,133.49/147,220.35 = 38,160.55/x
  3. Step 3: Cross multiply
    98,133.49x = 147,220.35 × 38,160.55
  4. Step 4: Simplify right side
    98,133.49x = 5,618,008,600.29
  5. Step 5: Solve for x
    x = 5,618,008,600.29/98,133.49
  6. Step 6: Final answer
    x = 57,248.64

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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.