Home / 156,903.42-236,208.84-142,953.06

Finding the Fourth Proportional to 156,903.42, 236,208.84 and 142,953.06

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Solution

The fourth proportional to 156,903.42, 236,208.84 and 142,953.06 is: 215,207.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,903.42 : 236,208.84 = 142,953.06 : x
  2. Step 2: Convert to fraction form
    156,903.42/236,208.84 = 142,953.06/x
  3. Step 3: Cross multiply
    156,903.42x = 236,208.84 × 142,953.06
  4. Step 4: Simplify right side
    156,903.42x = 33,766,776,477.05
  5. Step 5: Solve for x
    x = 33,766,776,477.05/156,903.42
  6. Step 6: Final answer
    x = 215,207.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.