Home / 170,411.65-235,140.42-98,777.68

Finding the Fourth Proportional to 170,411.65, 235,140.42 and 98,777.68

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Solution

The fourth proportional to 170,411.65, 235,140.42 and 98,777.68 is: 136,297.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,411.65 : 235,140.42 = 98,777.68 : x
  2. Step 2: Convert to fraction form
    170,411.65/235,140.42 = 98,777.68/x
  3. Step 3: Cross multiply
    170,411.65x = 235,140.42 × 98,777.68
  4. Step 4: Simplify right side
    170,411.65x = 23,226,625,161.83
  5. Step 5: Solve for x
    x = 23,226,625,161.83/170,411.65
  6. Step 6: Final answer
    x = 136,297.17

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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.