Home / 266,813.61-368,211.89-152,109.22

Finding the Fourth Proportional to 266,813.61, 368,211.89 and 152,109.22

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Solution

The fourth proportional to 266,813.61, 368,211.89 and 152,109.22 is: 209,915.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,813.61 : 368,211.89 = 152,109.22 : x
  2. Step 2: Convert to fraction form
    266,813.61/368,211.89 = 152,109.22/x
  3. Step 3: Cross multiply
    266,813.61x = 368,211.89 × 152,109.22
  4. Step 4: Simplify right side
    266,813.61x = 56,008,423,382.63
  5. Step 5: Solve for x
    x = 56,008,423,382.63/266,813.61
  6. Step 6: Final answer
    x = 209,915.92

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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.