Home / 186,480.23-257,333.76-105,897.11

Finding the Fourth Proportional to 186,480.23, 257,333.76 and 105,897.11

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Solution

The fourth proportional to 186,480.23, 257,333.76 and 105,897.11 is: 146,132.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,480.23 : 257,333.76 = 105,897.11 : x
  2. Step 2: Convert to fraction form
    186,480.23/257,333.76 = 105,897.11/x
  3. Step 3: Cross multiply
    186,480.23x = 257,333.76 × 105,897.11
  4. Step 4: Simplify right side
    186,480.23x = 27,250,900,202.76
  5. Step 5: Solve for x
    x = 27,250,900,202.76/186,480.23
  6. Step 6: Final answer
    x = 146,132.92

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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.