Home / 151,652.47-209,281.13-83,670.25

Finding the Fourth Proportional to 151,652.47, 209,281.13 and 83,670.25

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Solution

The fourth proportional to 151,652.47, 209,281.13 and 83,670.25 is: 115,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,652.47 : 209,281.13 = 83,670.25 : x
  2. Step 2: Convert to fraction form
    151,652.47/209,281.13 = 83,670.25/x
  3. Step 3: Cross multiply
    151,652.47x = 209,281.13 × 83,670.25
  4. Step 4: Simplify right side
    151,652.47x = 17,510,604,467.38
  5. Step 5: Solve for x
    x = 17,510,604,467.38/151,652.47
  6. Step 6: Final answer
    x = 115,465.34

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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.