Home / 358,199.02-537,298.40-105,479.54

Finding the Fourth Proportional to 358,199.02, 537,298.40 and 105,479.54

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Solution

The fourth proportional to 358,199.02, 537,298.40 and 105,479.54 is: 158,219.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,199.02 : 537,298.40 = 105,479.54 : x
  2. Step 2: Convert to fraction form
    358,199.02/537,298.40 = 105,479.54/x
  3. Step 3: Cross multiply
    358,199.02x = 537,298.40 × 105,479.54
  4. Step 4: Simplify right side
    358,199.02x = 56,673,988,074.74
  5. Step 5: Solve for x
    x = 56,673,988,074.74/358,199.02
  6. Step 6: Final answer
    x = 158,219.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.