Home / 113,816.22-157,075.08-62,838.78

Finding the Fourth Proportional to 113,816.22, 157,075.08 and 62,838.78

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Solution

The fourth proportional to 113,816.22, 157,075.08 and 62,838.78 is: 86,722.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,816.22 : 157,075.08 = 62,838.78 : x
  2. Step 2: Convert to fraction form
    113,816.22/157,075.08 = 62,838.78/x
  3. Step 3: Cross multiply
    113,816.22x = 157,075.08 × 62,838.78
  4. Step 4: Simplify right side
    113,816.22x = 9,870,406,395.60
  5. Step 5: Solve for x
    x = 9,870,406,395.60/113,816.22
  6. Step 6: Final answer
    x = 86,722.32

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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.