Home / 118,420.03-163,399.03-70,670.53

Finding the Fourth Proportional to 118,420.03, 163,399.03 and 70,670.53

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Solution

The fourth proportional to 118,420.03, 163,399.03 and 70,670.53 is: 97,513.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,420.03 : 163,399.03 = 70,670.53 : x
  2. Step 2: Convert to fraction form
    118,420.03/163,399.03 = 70,670.53/x
  3. Step 3: Cross multiply
    118,420.03x = 163,399.03 × 70,670.53
  4. Step 4: Simplify right side
    118,420.03x = 11,547,496,051.59
  5. Step 5: Solve for x
    x = 11,547,496,051.59/118,420.03
  6. Step 6: Final answer
    x = 97,513.03

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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.