Home / 191,346.44-286,609.59-155,638.26

Finding the Fourth Proportional to 191,346.44, 286,609.59 and 155,638.26

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Solution

The fourth proportional to 191,346.44, 286,609.59 and 155,638.26 is: 233,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,346.44 : 286,609.59 = 155,638.26 : x
  2. Step 2: Convert to fraction form
    191,346.44/286,609.59 = 155,638.26/x
  3. Step 3: Cross multiply
    191,346.44x = 286,609.59 × 155,638.26
  4. Step 4: Simplify right side
    191,346.44x = 44,607,417,886.91
  5. Step 5: Solve for x
    x = 44,607,417,886.91/191,346.44
  6. Step 6: Final answer
    x = 233,123.85

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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.