Home / 358,173.19-537,259.78-105,453.72

Finding the Fourth Proportional to 358,173.19, 537,259.78 and 105,453.72

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Solution

The fourth proportional to 358,173.19, 537,259.78 and 105,453.72 is: 158,180.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,173.19 : 537,259.78 = 105,453.72 : x
  2. Step 2: Convert to fraction form
    358,173.19/537,259.78 = 105,453.72/x
  3. Step 3: Cross multiply
    358,173.19x = 537,259.78 × 105,453.72
  4. Step 4: Simplify right side
    358,173.19x = 56,656,039,193.81
  5. Step 5: Solve for x
    x = 56,656,039,193.81/358,173.19
  6. Step 6: Final answer
    x = 158,180.57

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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.