Home / 191,065.40-286,904.10-151,947.80

Finding the Fourth Proportional to 191,065.40, 286,904.10 and 151,947.80

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Solution

The fourth proportional to 191,065.40, 286,904.10 and 151,947.80 is: 228,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,065.40 : 286,904.10 = 151,947.80 : x
  2. Step 2: Convert to fraction form
    191,065.40/286,904.10 = 151,947.80/x
  3. Step 3: Cross multiply
    191,065.40x = 286,904.10 × 151,947.80
  4. Step 4: Simplify right side
    191,065.40x = 43,594,446,805.98
  5. Step 5: Solve for x
    x = 43,594,446,805.98/191,065.40
  6. Step 6: Final answer
    x = 228,165.05

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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.