Home / 105,715.00-158,261.45-70,567.48

Finding the Fourth Proportional to 105,715.00, 158,261.45 and 70,567.48

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Solution

The fourth proportional to 105,715.00, 158,261.45 and 70,567.48 is: 105,643.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,715.00 : 158,261.45 = 70,567.48 : x
  2. Step 2: Convert to fraction form
    105,715.00/158,261.45 = 70,567.48/x
  3. Step 3: Cross multiply
    105,715.00x = 158,261.45 × 70,567.48
  4. Step 4: Simplify right side
    105,715.00x = 11,168,110,916.34
  5. Step 5: Solve for x
    x = 11,168,110,916.34/105,715.00
  6. Step 6: Final answer
    x = 105,643.58

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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.