Home / 319,250.08-440,584.80-176,009.76

Finding the Fourth Proportional to 319,250.08, 440,584.80 and 176,009.76

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Solution

The fourth proportional to 319,250.08, 440,584.80 and 176,009.76 is: 242,904.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,250.08 : 440,584.80 = 176,009.76 : x
  2. Step 2: Convert to fraction form
    319,250.08/440,584.80 = 176,009.76/x
  3. Step 3: Cross multiply
    319,250.08x = 440,584.80 × 176,009.76
  4. Step 4: Simplify right side
    319,250.08x = 77,547,224,907.65
  5. Step 5: Solve for x
    x = 77,547,224,907.65/319,250.08
  6. Step 6: Final answer
    x = 242,904.32

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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.