Home / 319,307.16-478,962.63-94,669.56

Finding the Fourth Proportional to 319,307.16, 478,962.63 and 94,669.56

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Solution

The fourth proportional to 319,307.16, 478,962.63 and 94,669.56 is: 142,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,307.16 : 478,962.63 = 94,669.56 : x
  2. Step 2: Convert to fraction form
    319,307.16/478,962.63 = 94,669.56/x
  3. Step 3: Cross multiply
    319,307.16x = 478,962.63 × 94,669.56
  4. Step 4: Simplify right side
    319,307.16x = 45,343,181,438.54
  5. Step 5: Solve for x
    x = 45,343,181,438.54/319,307.16
  6. Step 6: Final answer
    x = 142,004.90

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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.