Home / 114,091.64-157,479.34-80,108.40

Finding the Fourth Proportional to 114,091.64, 157,479.34 and 80,108.40

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Solution

The fourth proportional to 114,091.64, 157,479.34 and 80,108.40 is: 110,572.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,091.64 : 157,479.34 = 80,108.40 : x
  2. Step 2: Convert to fraction form
    114,091.64/157,479.34 = 80,108.40/x
  3. Step 3: Cross multiply
    114,091.64x = 157,479.34 × 80,108.40
  4. Step 4: Simplify right side
    114,091.64x = 12,615,417,960.46
  5. Step 5: Solve for x
    x = 12,615,417,960.46/114,091.64
  6. Step 6: Final answer
    x = 110,572.68

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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.