Home / 313,979.40-433,303.02-179,869.32

Finding the Fourth Proportional to 313,979.40, 433,303.02 and 179,869.32

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Solution

The fourth proportional to 313,979.40, 433,303.02 and 179,869.32 is: 248,226.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,979.40 : 433,303.02 = 179,869.32 : x
  2. Step 2: Convert to fraction form
    313,979.40/433,303.02 = 179,869.32/x
  3. Step 3: Cross multiply
    313,979.40x = 433,303.02 × 179,869.32
  4. Step 4: Simplify right side
    313,979.40x = 77,937,919,561.35
  5. Step 5: Solve for x
    x = 77,937,919,561.35/313,979.40
  6. Step 6: Final answer
    x = 248,226.22

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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.