Home / 186,325.40-257,120.58-101,442.28

Finding the Fourth Proportional to 186,325.40, 257,120.58 and 101,442.28

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Solution

The fourth proportional to 186,325.40, 257,120.58 and 101,442.28 is: 139,985.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,325.40 : 257,120.58 = 101,442.28 : x
  2. Step 2: Convert to fraction form
    186,325.40/257,120.58 = 101,442.28/x
  3. Step 3: Cross multiply
    186,325.40x = 257,120.58 × 101,442.28
  4. Step 4: Simplify right side
    186,325.40x = 26,082,897,870.12
  5. Step 5: Solve for x
    x = 26,082,897,870.12/186,325.40
  6. Step 6: Final answer
    x = 139,985.73

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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.