Home / 236,885.64-326,903.04-129,457.32

Finding the Fourth Proportional to 236,885.64, 326,903.04 and 129,457.32

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Solution

The fourth proportional to 236,885.64, 326,903.04 and 129,457.32 is: 178,651.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,885.64 : 326,903.04 = 129,457.32 : x
  2. Step 2: Convert to fraction form
    236,885.64/326,903.04 = 129,457.32/x
  3. Step 3: Cross multiply
    236,885.64x = 326,903.04 × 129,457.32
  4. Step 4: Simplify right side
    236,885.64x = 42,319,991,458.25
  5. Step 5: Solve for x
    x = 42,319,991,458.25/236,885.64
  6. Step 6: Final answer
    x = 178,651.57

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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.