Home / 134,396.42-185,457.48-79,945.58

Finding the Fourth Proportional to 134,396.42, 185,457.48 and 79,945.58

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Solution

The fourth proportional to 134,396.42, 185,457.48 and 79,945.58 is: 110,319.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,396.42 : 185,457.48 = 79,945.58 : x
  2. Step 2: Convert to fraction form
    134,396.42/185,457.48 = 79,945.58/x
  3. Step 3: Cross multiply
    134,396.42x = 185,457.48 × 79,945.58
  4. Step 4: Simplify right side
    134,396.42x = 14,826,506,417.48
  5. Step 5: Solve for x
    x = 14,826,506,417.48/134,396.42
  6. Step 6: Final answer
    x = 110,319.21

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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.