Home / 191,018.18-286,349.11-64,570.50

Finding the Fourth Proportional to 191,018.18, 286,349.11 and 64,570.50

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Solution

The fourth proportional to 191,018.18, 286,349.11 and 64,570.50 is: 96,795.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,018.18 : 286,349.11 = 64,570.50 : x
  2. Step 2: Convert to fraction form
    191,018.18/286,349.11 = 64,570.50/x
  3. Step 3: Cross multiply
    191,018.18x = 286,349.11 × 64,570.50
  4. Step 4: Simplify right side
    191,018.18x = 18,489,705,045.83
  5. Step 5: Solve for x
    x = 18,489,705,045.83/191,018.18
  6. Step 6: Final answer
    x = 96,795.52

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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.