Home / 191,109.80-286,664.70-96,631.40

Finding the Fourth Proportional to 191,109.80, 286,664.70 and 96,631.40

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Solution

The fourth proportional to 191,109.80, 286,664.70 and 96,631.40 is: 144,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,109.80 : 286,664.70 = 96,631.40 : x
  2. Step 2: Convert to fraction form
    191,109.80/286,664.70 = 96,631.40/x
  3. Step 3: Cross multiply
    191,109.80x = 286,664.70 × 96,631.40
  4. Step 4: Simplify right side
    191,109.80x = 27,700,811,291.58
  5. Step 5: Solve for x
    x = 27,700,811,291.58/191,109.80
  6. Step 6: Final answer
    x = 144,947.10

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1.5x scale

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.