Home / 186,828.18-257,820.75-101,946.66

Finding the Fourth Proportional to 186,828.18, 257,820.75 and 101,946.66

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Solution

The fourth proportional to 186,828.18, 257,820.75 and 101,946.66 is: 140,685.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,828.18 : 257,820.75 = 101,946.66 : x
  2. Step 2: Convert to fraction form
    186,828.18/257,820.75 = 101,946.66/x
  3. Step 3: Cross multiply
    186,828.18x = 257,820.75 × 101,946.66
  4. Step 4: Simplify right side
    186,828.18x = 26,283,964,341.20
  5. Step 5: Solve for x
    x = 26,283,964,341.20/186,828.18
  6. Step 6: Final answer
    x = 140,685.22

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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.