Home / 130,073.63-179,501.60-70,457.63

Finding the Fourth Proportional to 130,073.63, 179,501.60 and 70,457.63

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Solution

The fourth proportional to 130,073.63, 179,501.60 and 70,457.63 is: 97,231.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,073.63 : 179,501.60 = 70,457.63 : x
  2. Step 2: Convert to fraction form
    130,073.63/179,501.60 = 70,457.63/x
  3. Step 3: Cross multiply
    130,073.63x = 179,501.60 × 70,457.63
  4. Step 4: Simplify right side
    130,073.63x = 12,647,256,595.84
  5. Step 5: Solve for x
    x = 12,647,256,595.84/130,073.63
  6. Step 6: Final answer
    x = 97,231.52

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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.