Home / 112,864.34-169,507.22-99,360.29

Finding the Fourth Proportional to 112,864.34, 169,507.22 and 99,360.29

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Solution

The fourth proportional to 112,864.34, 169,507.22 and 99,360.29 is: 149,225.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,864.34 : 169,507.22 = 99,360.29 : x
  2. Step 2: Convert to fraction form
    112,864.34/169,507.22 = 99,360.29/x
  3. Step 3: Cross multiply
    112,864.34x = 169,507.22 × 99,360.29
  4. Step 4: Simplify right side
    112,864.34x = 16,842,286,463.26
  5. Step 5: Solve for x
    x = 16,842,286,463.26/112,864.34
  6. Step 6: Final answer
    x = 149,225.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.