Home / 147,905.36-221,814.24-42,725.24

Finding the Fourth Proportional to 147,905.36, 221,814.24 and 42,725.24

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Solution

The fourth proportional to 147,905.36, 221,814.24 and 42,725.24 is: 64,075.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,905.36 : 221,814.24 = 42,725.24 : x
  2. Step 2: Convert to fraction form
    147,905.36/221,814.24 = 42,725.24/x
  3. Step 3: Cross multiply
    147,905.36x = 221,814.24 × 42,725.24
  4. Step 4: Simplify right side
    147,905.36x = 9,477,066,639.42
  5. Step 5: Solve for x
    x = 9,477,066,639.42/147,905.36
  6. Step 6: Final answer
    x = 64,075.21

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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.