Home / 129,946.32-179,326.08-73,358.16

Finding the Fourth Proportional to 129,946.32, 179,326.08 and 73,358.16

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Solution

The fourth proportional to 129,946.32, 179,326.08 and 73,358.16 is: 101,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,946.32 : 179,326.08 = 73,358.16 : x
  2. Step 2: Convert to fraction form
    129,946.32/179,326.08 = 73,358.16/x
  3. Step 3: Cross multiply
    129,946.32x = 179,326.08 × 73,358.16
  4. Step 4: Simplify right side
    129,946.32x = 13,155,031,268.81
  5. Step 5: Solve for x
    x = 13,155,031,268.81/129,946.32
  6. Step 6: Final answer
    x = 101,234.35

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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.