Home / 101,160.90-139,557.33-60,851.45

Finding the Fourth Proportional to 101,160.90, 139,557.33 and 60,851.45

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Solution

The fourth proportional to 101,160.90, 139,557.33 and 60,851.45 is: 83,948.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,160.90 : 139,557.33 = 60,851.45 : x
  2. Step 2: Convert to fraction form
    101,160.90/139,557.33 = 60,851.45/x
  3. Step 3: Cross multiply
    101,160.90x = 139,557.33 × 60,851.45
  4. Step 4: Simplify right side
    101,160.90x = 8,492,266,237.52
  5. Step 5: Solve for x
    x = 8,492,266,237.52/101,160.90
  6. Step 6: Final answer
    x = 83,948.11

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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.