Home / 98,810.10-136,436.56-91,253.66

Finding the Fourth Proportional to 98,810.10, 136,436.56 and 91,253.66

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Solution

The fourth proportional to 98,810.10, 136,436.56 and 91,253.66 is: 126,002.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,810.10 : 136,436.56 = 91,253.66 : x
  2. Step 2: Convert to fraction form
    98,810.10/136,436.56 = 91,253.66/x
  3. Step 3: Cross multiply
    98,810.10x = 136,436.56 × 91,253.66
  4. Step 4: Simplify right side
    98,810.10x = 12,450,335,457.81
  5. Step 5: Solve for x
    x = 12,450,335,457.81/98,810.10
  6. Step 6: Final answer
    x = 126,002.66

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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.