Home / 209,887.34-314,827.76-52,117.16

Finding the Fourth Proportional to 209,887.34, 314,827.76 and 52,117.16

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Solution

The fourth proportional to 209,887.34, 314,827.76 and 52,117.16 is: 78,174.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,887.34 : 314,827.76 = 52,117.16 : x
  2. Step 2: Convert to fraction form
    209,887.34/314,827.76 = 52,117.16/x
  3. Step 3: Cross multiply
    209,887.34x = 314,827.76 × 52,117.16
  4. Step 4: Simplify right side
    209,887.34x = 16,407,927,296.52
  5. Step 5: Solve for x
    x = 16,407,927,296.52/209,887.34
  6. Step 6: Final answer
    x = 78,174.93

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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.