Home / 191,081.48-286,663.45-57,972.46

Finding the Fourth Proportional to 191,081.48, 286,663.45 and 57,972.46

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Solution

The fourth proportional to 191,081.48, 286,663.45 and 57,972.46 is: 86,971.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,081.48 : 286,663.45 = 57,972.46 : x
  2. Step 2: Convert to fraction form
    191,081.48/286,663.45 = 57,972.46/x
  3. Step 3: Cross multiply
    191,081.48x = 286,663.45 × 57,972.46
  4. Step 4: Simplify right side
    191,081.48x = 16,618,583,665.41
  5. Step 5: Solve for x
    x = 16,618,583,665.41/191,081.48
  6. Step 6: Final answer
    x = 86,971.19

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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.