Home / 292,277.16-438,152.46-105,157

Finding the Fourth Proportional to 292,277.16, 438,152.46 and 105,157

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Solution

The fourth proportional to 292,277.16, 438,152.46 and 105,157 is: 157,640.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,277.16 : 438,152.46 = 105,157 : x
  2. Step 2: Convert to fraction form
    292,277.16/438,152.46 = 105,157/x
  3. Step 3: Cross multiply
    292,277.16x = 438,152.46 × 105,157
  4. Step 4: Simplify right side
    292,277.16x = 46,074,798,236.22
  5. Step 5: Solve for x
    x = 46,074,798,236.22/292,277.16
  6. Step 6: Final answer
    x = 157,640.78

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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.