Home / 122,184.07-168,437.34-85,774.66

Finding the Fourth Proportional to 122,184.07, 168,437.34 and 85,774.66

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Solution

The fourth proportional to 122,184.07, 168,437.34 and 85,774.66 is: 118,245.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,184.07 : 168,437.34 = 85,774.66 : x
  2. Step 2: Convert to fraction form
    122,184.07/168,437.34 = 85,774.66/x
  3. Step 3: Cross multiply
    122,184.07x = 168,437.34 × 85,774.66
  4. Step 4: Simplify right side
    122,184.07x = 14,447,655,162.32
  5. Step 5: Solve for x
    x = 14,447,655,162.32/122,184.07
  6. Step 6: Final answer
    x = 118,245.00

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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.