Home / 319,243.95-440,582.90-176,017.59

Finding the Fourth Proportional to 319,243.95, 440,582.90 and 176,017.59

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Solution

The fourth proportional to 319,243.95, 440,582.90 and 176,017.59 is: 242,918.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,243.95 : 440,582.90 = 176,017.59 : x
  2. Step 2: Convert to fraction form
    319,243.95/440,582.90 = 176,017.59/x
  3. Step 3: Cross multiply
    319,243.95x = 440,582.90 × 176,017.59
  4. Step 4: Simplify right side
    319,243.95x = 77,550,339,373.12
  5. Step 5: Solve for x
    x = 77,550,339,373.12/319,243.95
  6. Step 6: Final answer
    x = 242,918.74

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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.