Home / 122,774.04-169,416.90-69,061.32

Finding the Fourth Proportional to 122,774.04, 169,416.90 and 69,061.32

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Solution

The fourth proportional to 122,774.04, 169,416.90 and 69,061.32 is: 95,298.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,774.04 : 169,416.90 = 69,061.32 : x
  2. Step 2: Convert to fraction form
    122,774.04/169,416.90 = 69,061.32/x
  3. Step 3: Cross multiply
    122,774.04x = 169,416.90 × 69,061.32
  4. Step 4: Simplify right side
    122,774.04x = 11,700,154,744.31
  5. Step 5: Solve for x
    x = 11,700,154,744.31/122,774.04
  6. Step 6: Final answer
    x = 95,298.28

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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.