Home / 141,302.15-212,895.70-127,808.91

Finding the Fourth Proportional to 141,302.15, 212,895.70 and 127,808.91

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Solution

The fourth proportional to 141,302.15, 212,895.70 and 127,808.91 is: 192,565.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,302.15 : 212,895.70 = 127,808.91 : x
  2. Step 2: Convert to fraction form
    141,302.15/212,895.70 = 127,808.91/x
  3. Step 3: Cross multiply
    141,302.15x = 212,895.70 × 127,808.91
  4. Step 4: Simplify right side
    141,302.15x = 27,209,967,041.16
  5. Step 5: Solve for x
    x = 27,209,967,041.16/141,302.15
  6. Step 6: Final answer
    x = 192,565.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.