Home / 100,389.16-150,528.76-46,295.14

Finding the Fourth Proportional to 100,389.16, 150,528.76 and 46,295.14

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Solution

The fourth proportional to 100,389.16, 150,528.76 and 46,295.14 is: 69,417.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,389.16 : 150,528.76 = 46,295.14 : x
  2. Step 2: Convert to fraction form
    100,389.16/150,528.76 = 46,295.14/x
  3. Step 3: Cross multiply
    100,389.16x = 150,528.76 × 46,295.14
  4. Step 4: Simplify right side
    100,389.16x = 6,968,750,018.23
  5. Step 5: Solve for x
    x = 6,968,750,018.23/100,389.16
  6. Step 6: Final answer
    x = 69,417.36

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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.