Home / 157,040.29-216,837.24-120,684.14

Finding the Fourth Proportional to 157,040.29, 216,837.24 and 120,684.14

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Solution

The fourth proportional to 157,040.29, 216,837.24 and 120,684.14 is: 166,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,040.29 : 216,837.24 = 120,684.14 : x
  2. Step 2: Convert to fraction form
    157,040.29/216,837.24 = 120,684.14/x
  3. Step 3: Cross multiply
    157,040.29x = 216,837.24 × 120,684.14
  4. Step 4: Simplify right side
    157,040.29x = 26,168,816,325.47
  5. Step 5: Solve for x
    x = 26,168,816,325.47/157,040.29
  6. Step 6: Final answer
    x = 166,637.60

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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.