Home / 157,259.14-217,011.86-85,637.58

Finding the Fourth Proportional to 157,259.14, 217,011.86 and 85,637.58

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Solution

The fourth proportional to 157,259.14, 217,011.86 and 85,637.58 is: 118,176.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,259.14 : 217,011.86 = 85,637.58 : x
  2. Step 2: Convert to fraction form
    157,259.14/217,011.86 = 85,637.58/x
  3. Step 3: Cross multiply
    157,259.14x = 217,011.86 × 85,637.58
  4. Step 4: Simplify right side
    157,259.14x = 18,584,370,521.70
  5. Step 5: Solve for x
    x = 18,584,370,521.70/157,259.14
  6. Step 6: Final answer
    x = 118,176.73

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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.