Home / 126,547.70-174,639.48-69,962.72

Finding the Fourth Proportional to 126,547.70, 174,639.48 and 69,962.72

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Solution

The fourth proportional to 126,547.70, 174,639.48 and 69,962.72 is: 96,550.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,547.70 : 174,639.48 = 69,962.72 : x
  2. Step 2: Convert to fraction form
    126,547.70/174,639.48 = 69,962.72/x
  3. Step 3: Cross multiply
    126,547.70x = 174,639.48 × 69,962.72
  4. Step 4: Simplify right side
    126,547.70x = 12,218,253,126.97
  5. Step 5: Solve for x
    x = 12,218,253,126.97/126,547.70
  6. Step 6: Final answer
    x = 96,550.57

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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.