Home / 191,923.98-264,854.30-105,888.40

Finding the Fourth Proportional to 191,923.98, 264,854.30 and 105,888.40

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Solution

The fourth proportional to 191,923.98, 264,854.30 and 105,888.40 is: 146,125.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,923.98 : 264,854.30 = 105,888.40 : x
  2. Step 2: Convert to fraction form
    191,923.98/264,854.30 = 105,888.40/x
  3. Step 3: Cross multiply
    191,923.98x = 264,854.30 × 105,888.40
  4. Step 4: Simplify right side
    191,923.98x = 28,044,998,060.12
  5. Step 5: Solve for x
    x = 28,044,998,060.12/191,923.98
  6. Step 6: Final answer
    x = 146,125.55

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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.