Home / 152,192.37-210,109.93-91,778.32

Finding the Fourth Proportional to 152,192.37, 210,109.93 and 91,778.32

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Solution

The fourth proportional to 152,192.37, 210,109.93 and 91,778.32 is: 126,705.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,192.37 : 210,109.93 = 91,778.32 : x
  2. Step 2: Convert to fraction form
    152,192.37/210,109.93 = 91,778.32/x
  3. Step 3: Cross multiply
    152,192.37x = 210,109.93 × 91,778.32
  4. Step 4: Simplify right side
    152,192.37x = 19,283,535,569.61
  5. Step 5: Solve for x
    x = 19,283,535,569.61/152,192.37
  6. Step 6: Final answer
    x = 126,705.01

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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.