Home / 313,970.24-470,971.65-103,624.58

Finding the Fourth Proportional to 313,970.24, 470,971.65 and 103,624.58

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Solution

The fourth proportional to 313,970.24, 470,971.65 and 103,624.58 is: 155,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,970.24 : 470,971.65 = 103,624.58 : x
  2. Step 2: Convert to fraction form
    313,970.24/470,971.65 = 103,624.58/x
  3. Step 3: Cross multiply
    313,970.24x = 470,971.65 × 103,624.58
  4. Step 4: Simplify right side
    313,970.24x = 48,804,239,423.16
  5. Step 5: Solve for x
    x = 48,804,239,423.16/313,970.24
  6. Step 6: Final answer
    x = 155,442.25

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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.