Home / 107,195.81-147,934.15-64,746.14

Finding the Fourth Proportional to 107,195.81, 147,934.15 and 64,746.14

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Solution

The fourth proportional to 107,195.81, 147,934.15 and 64,746.14 is: 89,352.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,195.81 : 147,934.15 = 64,746.14 : x
  2. Step 2: Convert to fraction form
    107,195.81/147,934.15 = 64,746.14/x
  3. Step 3: Cross multiply
    107,195.81x = 147,934.15 × 64,746.14
  4. Step 4: Simplify right side
    107,195.81x = 9,578,164,285.14
  5. Step 5: Solve for x
    x = 9,578,164,285.14/107,195.81
  6. Step 6: Final answer
    x = 89,352.04

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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.