Home / 170,409.16-235,164.18-98,830.72

Finding the Fourth Proportional to 170,409.16, 235,164.18 and 98,830.72

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Solution

The fourth proportional to 170,409.16, 235,164.18 and 98,830.72 is: 136,386.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,409.16 : 235,164.18 = 98,830.72 : x
  2. Step 2: Convert to fraction form
    170,409.16/235,164.18 = 98,830.72/x
  3. Step 3: Cross multiply
    170,409.16x = 235,164.18 × 98,830.72
  4. Step 4: Simplify right side
    170,409.16x = 23,241,445,227.61
  5. Step 5: Solve for x
    x = 23,241,445,227.61/170,409.16
  6. Step 6: Final answer
    x = 136,386.13

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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.