Home / 170,275.86-234,956.16-98,642.70

Finding the Fourth Proportional to 170,275.86, 234,956.16 and 98,642.70

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Solution

The fourth proportional to 170,275.86, 234,956.16 and 98,642.70 is: 136,112.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,275.86 : 234,956.16 = 98,642.70 : x
  2. Step 2: Convert to fraction form
    170,275.86/234,956.16 = 98,642.70/x
  3. Step 3: Cross multiply
    170,275.86x = 234,956.16 × 98,642.70
  4. Step 4: Simplify right side
    170,275.86x = 23,176,710,004.03
  5. Step 5: Solve for x
    x = 23,176,710,004.03/170,275.86
  6. Step 6: Final answer
    x = 136,112.72

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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.