Home / 160,774.58-221,858.10-89,151.95

Finding the Fourth Proportional to 160,774.58, 221,858.10 and 89,151.95

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Solution

The fourth proportional to 160,774.58, 221,858.10 and 89,151.95 is: 123,023.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,774.58 : 221,858.10 = 89,151.95 : x
  2. Step 2: Convert to fraction form
    160,774.58/221,858.10 = 89,151.95/x
  3. Step 3: Cross multiply
    160,774.58x = 221,858.10 × 89,151.95
  4. Step 4: Simplify right side
    160,774.58x = 19,779,081,129.00
  5. Step 5: Solve for x
    x = 19,779,081,129.00/160,774.58
  6. Step 6: Final answer
    x = 123,023.69

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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.