Home / 106,730.32-147,294.84-70,864.24

Finding the Fourth Proportional to 106,730.32, 147,294.84 and 70,864.24

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Solution

The fourth proportional to 106,730.32, 147,294.84 and 70,864.24 is: 97,797.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,730.32 : 147,294.84 = 70,864.24 : x
  2. Step 2: Convert to fraction form
    106,730.32/147,294.84 = 70,864.24/x
  3. Step 3: Cross multiply
    106,730.32x = 147,294.84 × 70,864.24
  4. Step 4: Simplify right side
    106,730.32x = 10,437,936,892.52
  5. Step 5: Solve for x
    x = 10,437,936,892.52/106,730.32
  6. Step 6: Final answer
    x = 97,797.30

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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.