Home / 157,412.04-217,228.80-85,792.14

Finding the Fourth Proportional to 157,412.04, 217,228.80 and 85,792.14

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Solution

The fourth proportional to 157,412.04, 217,228.80 and 85,792.14 is: 118,393.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,412.04 : 217,228.80 = 85,792.14 : x
  2. Step 2: Convert to fraction form
    157,412.04/217,228.80 = 85,792.14/x
  3. Step 3: Cross multiply
    157,412.04x = 217,228.80 × 85,792.14
  4. Step 4: Simplify right side
    157,412.04x = 18,636,523,621.63
  5. Step 5: Solve for x
    x = 18,636,523,621.63/157,412.04
  6. Step 6: Final answer
    x = 118,393.25

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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.