Home / 116,530.65-160,726.28-86,317.25

Finding the Fourth Proportional to 116,530.65, 160,726.28 and 86,317.25

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Solution

The fourth proportional to 116,530.65, 160,726.28 and 86,317.25 is: 119,054.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,530.65 : 160,726.28 = 86,317.25 : x
  2. Step 2: Convert to fraction form
    116,530.65/160,726.28 = 86,317.25/x
  3. Step 3: Cross multiply
    116,530.65x = 160,726.28 × 86,317.25
  4. Step 4: Simplify right side
    116,530.65x = 13,873,449,257.11
  5. Step 5: Solve for x
    x = 13,873,449,257.11/116,530.65
  6. Step 6: Final answer
    x = 119,054.08

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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.