Home / 114,301.32-157,790.52-76,124.40

Finding the Fourth Proportional to 114,301.32, 157,790.52 and 76,124.40

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Solution

The fourth proportional to 114,301.32, 157,790.52 and 76,124.40 is: 105,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,301.32 : 157,790.52 = 76,124.40 : x
  2. Step 2: Convert to fraction form
    114,301.32/157,790.52 = 76,124.40/x
  3. Step 3: Cross multiply
    114,301.32x = 157,790.52 × 76,124.40
  4. Step 4: Simplify right side
    114,301.32x = 12,011,708,660.69
  5. Step 5: Solve for x
    x = 12,011,708,660.69/114,301.32
  6. Step 6: Final answer
    x = 105,088.10

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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.