Home / 114,639.48-158,207.40-63,652.20

Finding the Fourth Proportional to 114,639.48, 158,207.40 and 63,652.20

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Solution

The fourth proportional to 114,639.48, 158,207.40 and 63,652.20 is: 87,842.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,639.48 : 158,207.40 = 63,652.20 : x
  2. Step 2: Convert to fraction form
    114,639.48/158,207.40 = 63,652.20/x
  3. Step 3: Cross multiply
    114,639.48x = 158,207.40 × 63,652.20
  4. Step 4: Simplify right side
    114,639.48x = 10,070,249,066.28
  5. Step 5: Solve for x
    x = 10,070,249,066.28/114,639.48
  6. Step 6: Final answer
    x = 87,842.77

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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.