Home / 108,812.19-150,158.30-61,064.31

Finding the Fourth Proportional to 108,812.19, 150,158.30 and 61,064.31

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Solution

The fourth proportional to 108,812.19, 150,158.30 and 61,064.31 is: 84,267.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,812.19 : 150,158.30 = 61,064.31 : x
  2. Step 2: Convert to fraction form
    108,812.19/150,158.30 = 61,064.31/x
  3. Step 3: Cross multiply
    108,812.19x = 150,158.30 × 61,064.31
  4. Step 4: Simplify right side
    108,812.19x = 9,169,312,674.95
  5. Step 5: Solve for x
    x = 9,169,312,674.95/108,812.19
  6. Step 6: Final answer
    x = 84,267.33

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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.