Home / 272,212.50-375,635.45-151,349.34

Finding the Fourth Proportional to 272,212.50, 375,635.45 and 151,349.34

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Solution

The fourth proportional to 272,212.50, 375,635.45 and 151,349.34 is: 208,852.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,212.50 : 375,635.45 = 151,349.34 : x
  2. Step 2: Convert to fraction form
    272,212.50/375,635.45 = 151,349.34/x
  3. Step 3: Cross multiply
    272,212.50x = 375,635.45 × 151,349.34
  4. Step 4: Simplify right side
    272,212.50x = 56,852,176,681.36
  5. Step 5: Solve for x
    x = 56,852,176,681.36/272,212.50
  6. Step 6: Final answer
    x = 208,852.19

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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.