Home / 170,066.18-235,015-127,550.90

Finding the Fourth Proportional to 170,066.18, 235,015 and 127,550.90

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Solution

The fourth proportional to 170,066.18, 235,015 and 127,550.90 is: 176,263.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,066.18 : 235,015 = 127,550.90 : x
  2. Step 2: Convert to fraction form
    170,066.18/235,015 = 127,550.90/x
  3. Step 3: Cross multiply
    170,066.18x = 235,015 × 127,550.90
  4. Step 4: Simplify right side
    170,066.18x = 29,976,374,763.50
  5. Step 5: Solve for x
    x = 29,976,374,763.50/170,066.18
  6. Step 6: Final answer
    x = 176,263.00

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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.