Home / 319,717.60-441,210.36-176,477.72

Finding the Fourth Proportional to 319,717.60, 441,210.36 and 176,477.72

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Solution

The fourth proportional to 319,717.60, 441,210.36 and 176,477.72 is: 243,539.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,717.60 : 441,210.36 = 176,477.72 : x
  2. Step 2: Convert to fraction form
    319,717.60/441,210.36 = 176,477.72/x
  3. Step 3: Cross multiply
    319,717.60x = 441,210.36 × 176,477.72
  4. Step 4: Simplify right side
    319,717.60x = 77,863,798,373.18
  5. Step 5: Solve for x
    x = 77,863,798,373.18/319,717.60
  6. Step 6: Final answer
    x = 243,539.29

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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.