Home / 186,301.21-257,095.71-101,418.25

Finding the Fourth Proportional to 186,301.21, 257,095.71 and 101,418.25

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Solution

The fourth proportional to 186,301.21, 257,095.71 and 101,418.25 is: 139,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,301.21 : 257,095.71 = 101,418.25 : x
  2. Step 2: Convert to fraction form
    186,301.21/257,095.71 = 101,418.25/x
  3. Step 3: Cross multiply
    186,301.21x = 257,095.71 × 101,418.25
  4. Step 4: Simplify right side
    186,301.21x = 26,074,196,990.71
  5. Step 5: Solve for x
    x = 26,074,196,990.71/186,301.21
  6. Step 6: Final answer
    x = 139,957.21

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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.