Home / 113,322.24-156,386.70-63,021.24

Finding the Fourth Proportional to 113,322.24, 156,386.70 and 63,021.24

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Solution

The fourth proportional to 113,322.24, 156,386.70 and 63,021.24 is: 86,970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,322.24 : 156,386.70 = 63,021.24 : x
  2. Step 2: Convert to fraction form
    113,322.24/156,386.70 = 63,021.24/x
  3. Step 3: Cross multiply
    113,322.24x = 156,386.70 × 63,021.24
  4. Step 4: Simplify right side
    113,322.24x = 9,855,683,753.51
  5. Step 5: Solve for x
    x = 9,855,683,753.51/113,322.24
  6. Step 6: Final answer
    x = 86,970.43

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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.