Home / 170,349.17-235,081.86-98,770.71

Finding the Fourth Proportional to 170,349.17, 235,081.86 and 98,770.71

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Solution

The fourth proportional to 170,349.17, 235,081.86 and 98,770.71 is: 136,303.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,349.17 : 235,081.86 = 98,770.71 : x
  2. Step 2: Convert to fraction form
    170,349.17/235,081.86 = 98,770.71/x
  3. Step 3: Cross multiply
    170,349.17x = 235,081.86 × 98,770.71
  4. Step 4: Simplify right side
    170,349.17x = 23,219,201,409.15
  5. Step 5: Solve for x
    x = 23,219,201,409.15/170,349.17
  6. Step 6: Final answer
    x = 136,303.58

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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.