Home / 147,334.25-221,111.36-99,836.67

Finding the Fourth Proportional to 147,334.25, 221,111.36 and 99,836.67

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Solution

The fourth proportional to 147,334.25, 221,111.36 and 99,836.67 is: 149,829.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,334.25 : 221,111.36 = 99,836.67 : x
  2. Step 2: Convert to fraction form
    147,334.25/221,111.36 = 99,836.67/x
  3. Step 3: Cross multiply
    147,334.25x = 221,111.36 × 99,836.67
  4. Step 4: Simplify right side
    147,334.25x = 22,075,021,881.57
  5. Step 5: Solve for x
    x = 22,075,021,881.57/147,334.25
  6. Step 6: Final answer
    x = 149,829.53

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1.5x scale

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.