Home / 186,325.90-257,122.02-101,442.76

Finding the Fourth Proportional to 186,325.90, 257,122.02 and 101,442.76

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Solution

The fourth proportional to 186,325.90, 257,122.02 and 101,442.76 is: 139,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,325.90 : 257,122.02 = 101,442.76 : x
  2. Step 2: Convert to fraction form
    186,325.90/257,122.02 = 101,442.76/x
  3. Step 3: Cross multiply
    186,325.90x = 257,122.02 × 101,442.76
  4. Step 4: Simplify right side
    186,325.90x = 26,083,167,365.58
  5. Step 5: Solve for x
    x = 26,083,167,365.58/186,325.90
  6. Step 6: Final answer
    x = 139,986.80

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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.