Home / 105,925.46-158,887.91-66,510.25

Finding the Fourth Proportional to 105,925.46, 158,887.91 and 66,510.25

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Solution

The fourth proportional to 105,925.46, 158,887.91 and 66,510.25 is: 99,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,925.46 : 158,887.91 = 66,510.25 : x
  2. Step 2: Convert to fraction form
    105,925.46/158,887.91 = 66,510.25/x
  3. Step 3: Cross multiply
    105,925.46x = 158,887.91 × 66,510.25
  4. Step 4: Simplify right side
    105,925.46x = 10,567,674,385.13
  5. Step 5: Solve for x
    x = 10,567,674,385.13/105,925.46
  6. Step 6: Final answer
    x = 99,765.20

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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.