Home / 121,322.08-167,429.48-67,607.16

Finding the Fourth Proportional to 121,322.08, 167,429.48 and 67,607.16

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Solution

The fourth proportional to 121,322.08, 167,429.48 and 67,607.16 is: 93,300.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,322.08 : 167,429.48 = 67,607.16 : x
  2. Step 2: Convert to fraction form
    121,322.08/167,429.48 = 67,607.16/x
  3. Step 3: Cross multiply
    121,322.08x = 167,429.48 × 67,607.16
  4. Step 4: Simplify right side
    121,322.08x = 11,319,431,643.08
  5. Step 5: Solve for x
    x = 11,319,431,643.08/121,322.08
  6. Step 6: Final answer
    x = 93,300.67

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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.