Home / 130,549.32-180,158.22-70,933.32

Finding the Fourth Proportional to 130,549.32, 180,158.22 and 70,933.32

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Solution

The fourth proportional to 130,549.32, 180,158.22 and 70,933.32 is: 97,888.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,549.32 : 180,158.22 = 70,933.32 : x
  2. Step 2: Convert to fraction form
    130,549.32/180,158.22 = 70,933.32/x
  3. Step 3: Cross multiply
    130,549.32x = 180,158.22 × 70,933.32
  4. Step 4: Simplify right side
    130,549.32x = 12,779,220,669.89
  5. Step 5: Solve for x
    x = 12,779,220,669.89/130,549.32
  6. Step 6: Final answer
    x = 97,888.07

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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.