Home / 126,127.55-173,875.16-99,223.34

Finding the Fourth Proportional to 126,127.55, 173,875.16 and 99,223.34

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Solution

The fourth proportional to 126,127.55, 173,875.16 and 99,223.34 is: 136,785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,127.55 : 173,875.16 = 99,223.34 : x
  2. Step 2: Convert to fraction form
    126,127.55/173,875.16 = 99,223.34/x
  3. Step 3: Cross multiply
    126,127.55x = 173,875.16 × 99,223.34
  4. Step 4: Simplify right side
    126,127.55x = 17,252,472,752.74
  5. Step 5: Solve for x
    x = 17,252,472,752.74/126,127.55
  6. Step 6: Final answer
    x = 136,785.92

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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.