Home / 107,455.28-148,281.48-59,705.84

Finding the Fourth Proportional to 107,455.28, 148,281.48 and 59,705.84

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Solution

The fourth proportional to 107,455.28, 148,281.48 and 59,705.84 is: 82,390.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,455.28 : 148,281.48 = 59,705.84 : x
  2. Step 2: Convert to fraction form
    107,455.28/148,281.48 = 59,705.84/x
  3. Step 3: Cross multiply
    107,455.28x = 148,281.48 × 59,705.84
  4. Step 4: Simplify right side
    107,455.28x = 8,853,270,319.84
  5. Step 5: Solve for x
    x = 8,853,270,319.84/107,455.28
  6. Step 6: Final answer
    x = 82,390.28

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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.