Home / 191,385.06-264,106.89-106,500.30

Finding the Fourth Proportional to 191,385.06, 264,106.89 and 106,500.30

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Solution

The fourth proportional to 191,385.06, 264,106.89 and 106,500.30 is: 146,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,385.06 : 264,106.89 = 106,500.30 : x
  2. Step 2: Convert to fraction form
    191,385.06/264,106.89 = 106,500.30/x
  3. Step 3: Cross multiply
    191,385.06x = 264,106.89 × 106,500.30
  4. Step 4: Simplify right side
    191,385.06x = 28,127,463,017.07
  5. Step 5: Solve for x
    x = 28,127,463,017.07/191,385.06
  6. Step 6: Final answer
    x = 146,967.91

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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.