Home / 127,543.92-176,010.66-70,954.08

Finding the Fourth Proportional to 127,543.92, 176,010.66 and 70,954.08

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Solution

The fourth proportional to 127,543.92, 176,010.66 and 70,954.08 is: 97,916.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,543.92 : 176,010.66 = 70,954.08 : x
  2. Step 2: Convert to fraction form
    127,543.92/176,010.66 = 70,954.08/x
  3. Step 3: Cross multiply
    127,543.92x = 176,010.66 × 70,954.08
  4. Step 4: Simplify right side
    127,543.92x = 12,488,674,450.49
  5. Step 5: Solve for x
    x = 12,488,674,450.49/127,543.92
  6. Step 6: Final answer
    x = 97,916.66

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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.