Home / 158,271.78-237,407.61-53,090.40

Finding the Fourth Proportional to 158,271.78, 237,407.61 and 53,090.40

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Solution

The fourth proportional to 158,271.78, 237,407.61 and 53,090.40 is: 79,635.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,271.78 : 237,407.61 = 53,090.40 : x
  2. Step 2: Convert to fraction form
    158,271.78/237,407.61 = 53,090.40/x
  3. Step 3: Cross multiply
    158,271.78x = 237,407.61 × 53,090.40
  4. Step 4: Simplify right side
    158,271.78x = 12,604,064,977.94
  5. Step 5: Solve for x
    x = 12,604,064,977.94/158,271.78
  6. Step 6: Final answer
    x = 79,635.58

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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.