Home / 112,595.09-168,931.80-70,506.27

Finding the Fourth Proportional to 112,595.09, 168,931.80 and 70,506.27

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Solution

The fourth proportional to 112,595.09, 168,931.80 and 70,506.27 is: 105,783.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,595.09 : 168,931.80 = 70,506.27 : x
  2. Step 2: Convert to fraction form
    112,595.09/168,931.80 = 70,506.27/x
  3. Step 3: Cross multiply
    112,595.09x = 168,931.80 × 70,506.27
  4. Step 4: Simplify right side
    112,595.09x = 11,910,751,102.39
  5. Step 5: Solve for x
    x = 11,910,751,102.39/112,595.09
  6. Step 6: Final answer
    x = 105,783.93

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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.