Home / 319,980.48-441,561.60-176,733.12

Finding the Fourth Proportional to 319,980.48, 441,561.60 and 176,733.12

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Solution

The fourth proportional to 319,980.48, 441,561.60 and 176,733.12 is: 243,885.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,980.48 : 441,561.60 = 176,733.12 : x
  2. Step 2: Convert to fraction form
    319,980.48/441,561.60 = 176,733.12/x
  3. Step 3: Cross multiply
    319,980.48x = 441,561.60 × 176,733.12
  4. Step 4: Simplify right side
    319,980.48x = 78,038,559,240.19
  5. Step 5: Solve for x
    x = 78,038,559,240.19/319,980.48
  6. Step 6: Final answer
    x = 243,885.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.