Home / 153,268.64-229,902.96-42,457.76

Finding the Fourth Proportional to 153,268.64, 229,902.96 and 42,457.76

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Solution

The fourth proportional to 153,268.64, 229,902.96 and 42,457.76 is: 63,686.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,268.64 : 229,902.96 = 42,457.76 : x
  2. Step 2: Convert to fraction form
    153,268.64/229,902.96 = 42,457.76/x
  3. Step 3: Cross multiply
    153,268.64x = 229,902.96 × 42,457.76
  4. Step 4: Simplify right side
    153,268.64x = 9,761,164,698.97
  5. Step 5: Solve for x
    x = 9,761,164,698.97/153,268.64
  6. Step 6: Final answer
    x = 63,686.64

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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.