Home / 211,681.04-317,569.98-91,758.06

Finding the Fourth Proportional to 211,681.04, 317,569.98 and 91,758.06

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Solution

The fourth proportional to 211,681.04, 317,569.98 and 91,758.06 is: 137,658.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,681.04 : 317,569.98 = 91,758.06 : x
  2. Step 2: Convert to fraction form
    211,681.04/317,569.98 = 91,758.06/x
  3. Step 3: Cross multiply
    211,681.04x = 317,569.98 × 91,758.06
  4. Step 4: Simplify right side
    211,681.04x = 29,139,605,279.04
  5. Step 5: Solve for x
    x = 29,139,605,279.04/211,681.04
  6. Step 6: Final answer
    x = 137,658.08

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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.