Home / 127,358.08-175,754.24-70,774.72

Finding the Fourth Proportional to 127,358.08, 175,754.24 and 70,774.72

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Solution

The fourth proportional to 127,358.08, 175,754.24 and 70,774.72 is: 97,669.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,358.08 : 175,754.24 = 70,774.72 : x
  2. Step 2: Convert to fraction form
    127,358.08/175,754.24 = 70,774.72/x
  3. Step 3: Cross multiply
    127,358.08x = 175,754.24 × 70,774.72
  4. Step 4: Simplify right side
    127,358.08x = 12,438,957,124.81
  5. Step 5: Solve for x
    x = 12,438,957,124.81/127,358.08
  6. Step 6: Final answer
    x = 97,669.16

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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.