Home / 127,616.00-176,113.15-76,630.87

Finding the Fourth Proportional to 127,616.00, 176,113.15 and 76,630.87

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Solution

The fourth proportional to 127,616.00, 176,113.15 and 76,630.87 is: 105,752.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,616.00 : 176,113.15 = 76,630.87 : x
  2. Step 2: Convert to fraction form
    127,616.00/176,113.15 = 76,630.87/x
  3. Step 3: Cross multiply
    127,616.00x = 176,113.15 × 76,630.87
  4. Step 4: Simplify right side
    127,616.00x = 13,495,703,931.50
  5. Step 5: Solve for x
    x = 13,495,703,931.50/127,616.00
  6. Step 6: Final answer
    x = 105,752.45

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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.