Home / 114,527.76-158,119.20-76,341.12

Finding the Fourth Proportional to 114,527.76, 158,119.20 and 76,341.12

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Solution

The fourth proportional to 114,527.76, 158,119.20 and 76,341.12 is: 105,398.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,527.76 : 158,119.20 = 76,341.12 : x
  2. Step 2: Convert to fraction form
    114,527.76/158,119.20 = 76,341.12/x
  3. Step 3: Cross multiply
    114,527.76x = 158,119.20 × 76,341.12
  4. Step 4: Simplify right side
    114,527.76x = 12,070,996,821.50
  5. Step 5: Solve for x
    x = 12,070,996,821.50/114,527.76
  6. Step 6: Final answer
    x = 105,398.00

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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.