Home / 191,715.23-287,254.98-116,608.16

Finding the Fourth Proportional to 191,715.23, 287,254.98 and 116,608.16

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Solution

The fourth proportional to 191,715.23, 287,254.98 and 116,608.16 is: 174,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,715.23 : 287,254.98 = 116,608.16 : x
  2. Step 2: Convert to fraction form
    191,715.23/287,254.98 = 116,608.16/x
  3. Step 3: Cross multiply
    191,715.23x = 287,254.98 × 116,608.16
  4. Step 4: Simplify right side
    191,715.23x = 33,496,273,232.36
  5. Step 5: Solve for x
    x = 33,496,273,232.36/191,715.23
  6. Step 6: Final answer
    x = 174,718.90

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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.