Home / 157,152.57-216,875.15-85,537.23

Finding the Fourth Proportional to 157,152.57, 216,875.15 and 85,537.23

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Solution

The fourth proportional to 157,152.57, 216,875.15 and 85,537.23 is: 118,043.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,152.57 : 216,875.15 = 85,537.23 : x
  2. Step 2: Convert to fraction form
    157,152.57/216,875.15 = 85,537.23/x
  3. Step 3: Cross multiply
    157,152.57x = 216,875.15 × 85,537.23
  4. Step 4: Simplify right side
    157,152.57x = 18,550,898,074.77
  5. Step 5: Solve for x
    x = 18,550,898,074.77/157,152.57
  6. Step 6: Final answer
    x = 118,043.88

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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.