Home / 186,300.71-257,095.02-101,417.75

Finding the Fourth Proportional to 186,300.71, 257,095.02 and 101,417.75

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Solution

The fourth proportional to 186,300.71, 257,095.02 and 101,417.75 is: 139,956.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,300.71 : 257,095.02 = 101,417.75 : x
  2. Step 2: Convert to fraction form
    186,300.71/257,095.02 = 101,417.75/x
  3. Step 3: Cross multiply
    186,300.71x = 257,095.02 × 101,417.75
  4. Step 4: Simplify right side
    186,300.71x = 26,073,998,464.61
  5. Step 5: Solve for x
    x = 26,073,998,464.61/186,300.71
  6. Step 6: Final answer
    x = 139,956.52

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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.