Home / 111,075.84-153,295.20-60,782.40

Finding the Fourth Proportional to 111,075.84, 153,295.20 and 60,782.40

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Solution

The fourth proportional to 111,075.84, 153,295.20 and 60,782.40 is: 83,885.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,075.84 : 153,295.20 = 60,782.40 : x
  2. Step 2: Convert to fraction form
    111,075.84/153,295.20 = 60,782.40/x
  3. Step 3: Cross multiply
    111,075.84x = 153,295.20 × 60,782.40
  4. Step 4: Simplify right side
    111,075.84x = 9,317,650,164.48
  5. Step 5: Solve for x
    x = 9,317,650,164.48/111,075.84
  6. Step 6: Final answer
    x = 83,885.48

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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.