Home / 170,385.12-235,139.76-98,752.32

Finding the Fourth Proportional to 170,385.12, 235,139.76 and 98,752.32

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Solution

The fourth proportional to 170,385.12, 235,139.76 and 98,752.32 is: 136,283.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,385.12 : 235,139.76 = 98,752.32 : x
  2. Step 2: Convert to fraction form
    170,385.12/235,139.76 = 98,752.32/x
  3. Step 3: Cross multiply
    170,385.12x = 235,139.76 × 98,752.32
  4. Step 4: Simplify right side
    170,385.12x = 23,220,596,824.24
  5. Step 5: Solve for x
    x = 23,220,596,824.24/170,385.12
  6. Step 6: Final answer
    x = 136,283.01

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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.