Home / 319,122.09-478,681.65-94,483.89

Finding the Fourth Proportional to 319,122.09, 478,681.65 and 94,483.89

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Solution

The fourth proportional to 319,122.09, 478,681.65 and 94,483.89 is: 141,725.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,122.09 : 478,681.65 = 94,483.89 : x
  2. Step 2: Convert to fraction form
    319,122.09/478,681.65 = 94,483.89/x
  3. Step 3: Cross multiply
    319,122.09x = 478,681.65 × 94,483.89
  4. Step 4: Simplify right side
    319,122.09x = 45,227,704,363.62
  5. Step 5: Solve for x
    x = 45,227,704,363.62/319,122.09
  6. Step 6: Final answer
    x = 141,725.40

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1.5x scale

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.