Home / 215,574.51-297,502.02-120,081.18

Finding the Fourth Proportional to 215,574.51, 297,502.02 and 120,081.18

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Solution

The fourth proportional to 215,574.51, 297,502.02 and 120,081.18 is: 165,717.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,574.51 : 297,502.02 = 120,081.18 : x
  2. Step 2: Convert to fraction form
    215,574.51/297,502.02 = 120,081.18/x
  3. Step 3: Cross multiply
    215,574.51x = 297,502.02 × 120,081.18
  4. Step 4: Simplify right side
    215,574.51x = 35,724,393,613.98
  5. Step 5: Solve for x
    x = 35,724,393,613.98/215,574.51
  6. Step 6: Final answer
    x = 165,717.15

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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.