Home / 98,905.04-136,567.17-91,348.35

Finding the Fourth Proportional to 98,905.04, 136,567.17 and 91,348.35

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Solution

The fourth proportional to 98,905.04, 136,567.17 and 91,348.35 is: 126,132.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,905.04 : 136,567.17 = 91,348.35 : x
  2. Step 2: Convert to fraction form
    98,905.04/136,567.17 = 91,348.35/x
  3. Step 3: Cross multiply
    98,905.04x = 136,567.17 × 91,348.35
  4. Step 4: Simplify right side
    98,905.04x = 12,475,185,643.67
  5. Step 5: Solve for x
    x = 12,475,185,643.67/98,905.04
  6. Step 6: Final answer
    x = 126,132.96

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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.