Home / 191,054.40-285,901.20-166,365.60

Finding the Fourth Proportional to 191,054.40, 285,901.20 and 166,365.60

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Solution

The fourth proportional to 191,054.40, 285,901.20 and 166,365.60 is: 248,955.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,054.40 : 285,901.20 = 166,365.60 : x
  2. Step 2: Convert to fraction form
    191,054.40/285,901.20 = 166,365.60/x
  3. Step 3: Cross multiply
    191,054.40x = 285,901.20 × 166,365.60
  4. Step 4: Simplify right side
    191,054.40x = 47,564,124,678.72
  5. Step 5: Solve for x
    x = 47,564,124,678.72/191,054.40
  6. Step 6: Final answer
    x = 248,955.92

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1.5x scale

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.