Home / 319,717.40-441,210.04-176,477.48

Finding the Fourth Proportional to 319,717.40, 441,210.04 and 176,477.48

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Solution

The fourth proportional to 319,717.40, 441,210.04 and 176,477.48 is: 243,538.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,717.40 : 441,210.04 = 176,477.48 : x
  2. Step 2: Convert to fraction form
    319,717.40/441,210.04 = 176,477.48/x
  3. Step 3: Cross multiply
    319,717.40x = 441,210.04 × 176,477.48
  4. Step 4: Simplify right side
    319,717.40x = 77,863,636,009.90
  5. Step 5: Solve for x
    x = 77,863,636,009.90/319,717.40
  6. Step 6: Final answer
    x = 243,538.94

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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.