Home / 314,736.95-472,302.26-127,748.45

Finding the Fourth Proportional to 314,736.95, 472,302.26 and 127,748.45

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Solution

The fourth proportional to 314,736.95, 472,302.26 and 127,748.45 is: 191,702.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,736.95 : 472,302.26 = 127,748.45 : x
  2. Step 2: Convert to fraction form
    314,736.95/472,302.26 = 127,748.45/x
  3. Step 3: Cross multiply
    314,736.95x = 472,302.26 × 127,748.45
  4. Step 4: Simplify right side
    314,736.95x = 60,335,881,646.50
  5. Step 5: Solve for x
    x = 60,335,881,646.50/314,736.95
  6. Step 6: Final answer
    x = 191,702.57

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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.