Home / 136,875.28-205,377.90-94,820.08

Finding the Fourth Proportional to 136,875.28, 205,377.90 and 94,820.08

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Solution

The fourth proportional to 136,875.28, 205,377.90 and 94,820.08 is: 142,275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,875.28 : 205,377.90 = 94,820.08 : x
  2. Step 2: Convert to fraction form
    136,875.28/205,377.90 = 94,820.08/x
  3. Step 3: Cross multiply
    136,875.28x = 205,377.90 × 94,820.08
  4. Step 4: Simplify right side
    136,875.28x = 19,473,948,908.23
  5. Step 5: Solve for x
    x = 19,473,948,908.23/136,875.28
  6. Step 6: Final answer
    x = 142,275.13

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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.