Home / 114,020.12-157,330.14-63,709.40

Finding the Fourth Proportional to 114,020.12, 157,330.14 and 63,709.40

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Solution

The fourth proportional to 114,020.12, 157,330.14 and 63,709.40 is: 87,909.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,020.12 : 157,330.14 = 63,709.40 : x
  2. Step 2: Convert to fraction form
    114,020.12/157,330.14 = 63,709.40/x
  3. Step 3: Cross multiply
    114,020.12x = 157,330.14 × 63,709.40
  4. Step 4: Simplify right side
    114,020.12x = 10,023,408,821.32
  5. Step 5: Solve for x
    x = 10,023,408,821.32/114,020.12
  6. Step 6: Final answer
    x = 87,909.12

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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.