Home / 211,658.60-317,475.55-154,790.11

Finding the Fourth Proportional to 211,658.60, 317,475.55 and 154,790.11

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Solution

The fourth proportional to 211,658.60, 317,475.55 and 154,790.11 is: 232,176.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,658.60 : 317,475.55 = 154,790.11 : x
  2. Step 2: Convert to fraction form
    211,658.60/317,475.55 = 154,790.11/x
  3. Step 3: Cross multiply
    211,658.60x = 317,475.55 × 154,790.11
  4. Step 4: Simplify right side
    211,658.60x = 49,142,075,026.45
  5. Step 5: Solve for x
    x = 49,142,075,026.45/211,658.60
  6. Step 6: Final answer
    x = 232,176.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.