Home / 319,210.08-440,509.80-175,972.56

Finding the Fourth Proportional to 319,210.08, 440,509.80 and 175,972.56

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Solution

The fourth proportional to 319,210.08, 440,509.80 and 175,972.56 is: 242,842.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,210.08 : 440,509.80 = 175,972.56 : x
  2. Step 2: Convert to fraction form
    319,210.08/440,509.80 = 175,972.56/x
  3. Step 3: Cross multiply
    319,210.08x = 440,509.80 × 175,972.56
  4. Step 4: Simplify right side
    319,210.08x = 77,517,637,211.09
  5. Step 5: Solve for x
    x = 77,517,637,211.09/319,210.08
  6. Step 6: Final answer
    x = 242,842.07

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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.