Home / 185,913.09-256,561.69-101,030.15

Finding the Fourth Proportional to 185,913.09, 256,561.69 and 101,030.15

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Solution

The fourth proportional to 185,913.09, 256,561.69 and 101,030.15 is: 139,422.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,913.09 : 256,561.69 = 101,030.15 : x
  2. Step 2: Convert to fraction form
    185,913.09/256,561.69 = 101,030.15/x
  3. Step 3: Cross multiply
    185,913.09x = 256,561.69 × 101,030.15
  4. Step 4: Simplify right side
    185,913.09x = 25,920,466,024.95
  5. Step 5: Solve for x
    x = 25,920,466,024.95/185,913.09
  6. Step 6: Final answer
    x = 139,422.49

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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.