Home / 111,544.16-153,931.20-61,246.40

Finding the Fourth Proportional to 111,544.16, 153,931.20 and 61,246.40

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Solution

The fourth proportional to 111,544.16, 153,931.20 and 61,246.40 is: 84,520.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,544.16 : 153,931.20 = 61,246.40 : x
  2. Step 2: Convert to fraction form
    111,544.16/153,931.20 = 61,246.40/x
  3. Step 3: Cross multiply
    111,544.16x = 153,931.20 × 61,246.40
  4. Step 4: Simplify right side
    111,544.16x = 9,427,731,847.68
  5. Step 5: Solve for x
    x = 9,427,731,847.68/111,544.16
  6. Step 6: Final answer
    x = 84,520.17

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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.