Home / 177,852.65-245,444.51-102,425.45

Finding the Fourth Proportional to 177,852.65, 245,444.51 and 102,425.45

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Solution

The fourth proportional to 177,852.65, 245,444.51 and 102,425.45 is: 141,351.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,852.65 : 245,444.51 = 102,425.45 : x
  2. Step 2: Convert to fraction form
    177,852.65/245,444.51 = 102,425.45/x
  3. Step 3: Cross multiply
    177,852.65x = 245,444.51 × 102,425.45
  4. Step 4: Simplify right side
    177,852.65x = 25,139,763,415.62
  5. Step 5: Solve for x
    x = 25,139,763,415.62/177,852.65
  6. Step 6: Final answer
    x = 141,351.64

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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.