Home / 170,552.16-235,510.56-106,999.20

Finding the Fourth Proportional to 170,552.16, 235,510.56 and 106,999.20

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Solution

The fourth proportional to 170,552.16, 235,510.56 and 106,999.20 is: 147,752.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,552.16 : 235,510.56 = 106,999.20 : x
  2. Step 2: Convert to fraction form
    170,552.16/235,510.56 = 106,999.20/x
  3. Step 3: Cross multiply
    170,552.16x = 235,510.56 × 106,999.20
  4. Step 4: Simplify right side
    170,552.16x = 25,199,441,511.55
  5. Step 5: Solve for x
    x = 25,199,441,511.55/170,552.16
  6. Step 6: Final answer
    x = 147,752.11

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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.